add "vespa auth show" command

client/go/internal/cli/cmd/auth_show.go

@@ -0,0 +1,84 @@
+// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+// vespa auth show command
+// Author: arnej
+package cmd
+
+import (
+	"encoding/json"
+	"fmt"
+	"net/http"
+	"time"
+
+	"github.com/spf13/cobra"
+)
+
+func newAuthShowCmd(cli *CLI) *cobra.Command {
+	cmd := &cobra.Command{
+		Use:   "show",
+		Short: "Show authenticated user",
+		Long: `Show which user (if any) is authenticated with "auth login"
+`,
+		Example:           "$ vespa auth show",
+		DisableAutoGenTag: true,
+		SilenceUsage:      true,
+		Args:              cobra.ExactArgs(0),
+		RunE: func(cmd *cobra.Command, args []string) error {
+			if _, err := cli.config.application(); err != nil {
+				cmd.Flag("application").Value.Set("none.none")
+				cmd.Flag("application").Changed = true
+			}
+			return doAuthShow(cli, args)
+		},
+	}
+	return cmd
+}
+
+type userV1 struct {
+	IsPublic bool `json:"isPublic"`
+	IsCd     bool `json:"isCd"`
+	User     struct {
+		Email string `json:"email"`
+	} `json:"user"`
+	Tenants map[string]struct {
+		Supported bool     `json:"supported"`
+		Roles     []string `json:"roles"`
+	} `json:"tenants"`
+}
+
+func doAuthShow(cli *CLI, args []string) error {
+	target, err := cli.target(targetOptions{supportedType: cloudTargetOnly})
+	if err != nil {
+		return err
+	}
+	service, err := target.DeployService()
+	if err != nil {
+		return err
+	}
+	url := service.BaseURL + "/user/v1/user"
+	req, err := http.NewRequest("GET", url, nil)
+	if err != nil {
+		return err
+	}
+	response, err := service.Do(req, time.Second*3)
+	if err != nil {
+		return err
+	}
+	defer response.Body.Close()
+	dec := json.NewDecoder(response.Body)
+	var userResponse userV1
+	if err = dec.Decode(&userResponse); err != nil {
+		return err
+	}
+	fmt.Printf("Logged in as: %s\n", userResponse.User.Email)
+	for tenant, data := range userResponse.Tenants {
+		fmt.Printf("Available tenant: %s\n", tenant)
+		for idx, role := range data.Roles {
+			if idx == 0 {
+				fmt.Printf("    your roles:")
+			}
+			fmt.Printf(" %s", role)
+		}
+		fmt.Printf("\n")
+	}
+	return nil
+}

client/go/internal/cli/cmd/root.go

@@ -288,6 +288,7 @@ func (c *CLI) configureCommands() {
 	authCmd.AddCommand(certCmd)                     // auth cert
 	authCmd.AddCommand(newAPIKeyCmd(c))             // auth api-key
 	authCmd.AddCommand(newLoginCmd(c))              // auth login
+	authCmd.AddCommand(newAuthShowCmd(c))           // auth show
 	authCmd.AddCommand(newLogoutCmd(c))             // auth logout
 	rootCmd.AddCommand(authCmd)                     // auth
 	rootCmd.AddCommand(newCloneCmd(c))              // clone